Read the data given below and answer the question that follow.
In a country, the following signals are applicable
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3 Red Lights
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Stop
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2 Red Lights
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Turn Left
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1 Red Light
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Turn Right
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3 Green Lights
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Go @ 100 kmph
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2 Green Lights
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Go @ 40 kmph
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1 Green Light
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Go @ 20 kmph
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A man headed towards north and follows the given signals as
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Starting point
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1 Green Light
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After half-an-hour, 1st Signal
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2 Red and 2 Green Lights
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After 15 minutes, 2nd Signal
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1 Red Light
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After half-an-hour, 3rd Signal
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1 Red and 3 Green Lights
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After 24 minutes, 4th Signal
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2 Red and 2 Green Lights
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After 15 minutes, 5th and Last Signal
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3 Red Lights
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What is his net displacement with respect to the starting point?
- $40$ km towards South West
- $50$ km towards North East
- $40$ km towards North East
- $60$ km towards South West